CREST Practitioner Security Analyst (CPSA) Practice

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What function does port 444 serve?

  1. Internet Key Exchange

  2. Simple Network Paging Protocol

  3. Gateway Access Control Protocol

  4. Directory Location Service

The correct answer is: Simple Network Paging Protocol

Port 444 is associated with the Simple Network Paging Protocol (SNPP). This protocol is utilized for the transmission of messages to paging devices over the internet. SNPP enables the delivery of messages to various pager devices in a network by allowing computers to send messages via the Internet. Understanding that SNPP operates on this specific port helps in differentiating it from other protocols and services that operate on different ports. For example, Internet Key Exchange typically operates on port 500, and Directory Location Service utilizes port 389. Knowing these port assignments is essential for anyone preparing for security analysis, as it aids in recognizing traffic and ensuring the security and integrity of network communications.

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